Seiko Cal. 7187 - 398

The Seiko 7187-398 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-de717d1cdbb0]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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